4 HARDWARE DESCRIPTION
Hardware is based on main board (power supply), interface board and IO board (DIs and DOs).
4.1 MAIN BOARD
Main board provides neccesary power to other parts of the device and place for interface board.
On the board there are also three LEDs. The yellow LED shows activity on receive (Rx) line and
the green one shows activity on transmit (Tx) line. Additional green LED indicates the device
power supply activity.
User can choose between two main boards:
HI – high voltage power supply board
MD – medium voltage power supply board
LO – low voltage power supply board
Connector pin table
Phoenix MSTB
1
2
Description
L- , N
L+, L1
For further technical data see chapter „TECHNICAL DATA“.
4.2 INTERFACE BOARDS
User can choose between following interface boards:
RS232 board
RS485 board
Versatile link plastic fiber optic board
Multimode Fiber Optic (ST connector) board
Singlemode Fiber Optic (SC connector) board
Singlemode Fiber Optic (FC connector) board
Singlemode Fiber Optic (ST connector) board
Ethernet board
Although STR 100 device can have two interfaces it can communicate only with one at the time.
Data is always received and transmited to both interfaces (ports).
4.2.1 RS232 INTERFACE BOARD
Description
Single, nonisolated, full duplex, RS232 port with DB9 female connector. Supported Rx, Tx and
GND pins.
Connector pin table
Page:
Company:
Device:
Document:
Code:
Date:
10
User manual STRMUED1
